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1974 North Indian Ocean cyclone season

Category 1 tropical cyclone (SSHWS)
NIndianTC1971029midDMSP.gif 
Duration October 27 – October 31
Peak intensity 120 km/h (75 mph) (1-min) 
Category 3 tropical cyclone (SSHWS)
BayOfBengalTCOct2919710802UTCESSA9.png 14B 1971 track.png
Duration October 27 – October 31
Peak intensity 185 km/h (115 mph) (1-min) 
Tropical storm (SSHWS)
ArabianSeaTSMay271973.png 
Duration May 27 – May 29
Peak intensity 65 km/h (40 mph) (1-min) 
Tropical storm (SSHWS)
Temporary cyclone north.svg 
Duration June 6 – June 12
Peak intensity 65 km/h (40 mph) (1-min) 
Tropical storm (SSHWS)
Temporary cyclone north.svg 
Duration October 6 – October 12
Peak intensity 85 km/h (50 mph) (1-min) 
Category 1 tropical cyclone (SSHWS)
Temporary cyclone north.svg 
Duration November 3 – November 9
Peak intensity 140 km/h (85 mph) (1-min) 
Tropical storm (SSHWS)
Temporary cyclone north.svg 
Duration November 14 – November 17
Peak intensity 100 km/h (65 mph) (1-min) 
Tropical storm (SSHWS)
BayofBengalHUDec81973.png 
Duration December 5 – December 9
Peak intensity 110 km/h (70 mph) (1-min) 

The years before 1975 featured the pre-1975 North Indian Ocean cyclone seasons. Each season was an ongoing event in the annual cycle of tropical cyclone formation. The North Indian tropical cyclone season has no bounds, but they tend to form between April and December, peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. Below are the most significant cyclones in the time period. Because much of the North Indian coastline is near sea level and prone to flooding, these cyclones can easily kill many with storm surge and flooding. These cyclones are among the deadliest on earth in terms of numbers killed.

It was a cyclone which struck the city of Madras (now Chennai) in the Madras Presidency on 13 and 14 November 1721. The cyclone was one of the most severe in the history of the city and destroyed bridges and even suburban villages. The damages were high and three ships of the British East India Company were lost. The Island Bridge connecting Fort St George with The Island was badly damaged as a result of the cyclone.

On 7 October 1737, a natural disaster struck the city of Calcutta (modern-day Kolkata) in India. For a long time this was believed in Europe to have been the result of an earthquake, but it is now believed to have been a tropical cyclone.Thomas Joshua Moore, the duties collector for the British East India Company in Calcutta, wrote in his official report that a storm and flood had destroyed nearly all the thatched buildings and killed 3,000 of the city's inhabitants. Other reports from merchant ships indicated an earthquake and tidal surge were to blame, destroying 20,000 ships in the harbor and killing 300,000 people. It should be noted that the population of Calcutta at the time was around 3,000–20,000.


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